C语言：有两个磁盘文件"A.txt"和"B.txt",各放一行字母,今要求把两个文件中的信息合并

Question

有两个磁盘文件“A.txt”和“B.txt”，各放一行字母，今要求把两个文件中
的信息合并，输出到一个新文件“C.txt”中去。

Answer 1

FILE *fp1;
FILE *fp2;
FILE *fp3;
char str2[128];

fp1=fopen("a.txt","r");
fp2=fopen("b.txt","r");
fp3=fopen("c.txt","w");

fscanf(fp1,"%s",str2);
fprintf(fp3,"%s",str2);
fscanf(fp2,"%s",str2);
fprintf(fp3,"%s",str2);

fclose(fp1);
fclose(fp2);
fclose(fp3);本回答被提问者采纳